20166106056115 has 4 divisors (see below), whose sum is σ = 24199327267344. Its totient is φ = 16132884844888.

The previous prime is 20166106056091. The next prime is 20166106056127. The reversal of 20166106056115 is 51165060166102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20166106056115 - 2¹¹ = 20166106054067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016610605607 + ... + 2016610605616.

It is an arithmetic number, because the mean of its divisors is an integer number (6049831816836).

Almost surely, 2^{20166106056115} is an apocalyptic number.

20166106056115 is a deficient number, since it is larger than the sum of its proper divisors (4033221211229).

20166106056115 is an equidigital number, since it uses as much as digits as its factorization.

20166106056115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033221211228.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 20166106056115 in words is "twenty trillion, one hundred sixty-six billion, one hundred six million, fifty-six thousand, one hundred fifteen".